Cheniere Energy Partners, L.P. Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

Leases - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 28, 2005 acre
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 10.5us-gaap_LeaseAndRentalExpense	$ 10.0us-gaap_LeaseAndRentalExpense	$ 10.0us-gaap_LeaseAndRentalExpense
Land [Member]
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 2.2	$ 2.2	$ 2.3
Sabine Pass LNG, LP [Member] \| Land [Member]
Operating Leased Assets [Line Items]
Number of Leases	3
Property Lease Term	30 years
Number Of Available Lease Extensions	6
Lessee Leasing Arrangements, Operating Leases, Renewal Term	10 years
Number of Amended Land Leases	2
Acreage under lease	883.0			853.0
Review Period for Inflation Adjustment	5 years
Sabine Pass LNG, LP [Member] \| Tug Boat [Member]
Operating Leased Assets [Line Items]
Property Lease Term	10 years
Number Of Available Lease Extensions	2
Lessee Leasing Arrangements, Operating Leases, Renewal Term	5 years
Sabine Pass Liquefaction [Member] \| Land [Member]
Operating Leased Assets [Line Items]
Property Lease Term	5 years
Number Of Available Lease Extensions	5
Lessee Leasing Arrangements, Operating Leases, Renewal Term	1 year
Acreage under lease	80.7
Sabine Pass Liquefaction [Member] \| Land2 [Member]
Operating Leased Assets [Line Items]
Property Lease Term	30 years
Number Of Available Lease Extensions	6
Lessee Leasing Arrangements, Operating Leases, Renewal Term	10 years
Acreage under lease	80.6
Review Period for Inflation Adjustment	5 years